Figure 1. Negative, weak positive, and strong positive test results versus quantitative TSH level (TSH units: µIU/mL).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.